Finding the Fourth Proportional to 34,428,542.36, 47,507,775.62 and 19,539,124.79
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Solution
The fourth proportional to 34,428,542.36, 47,507,775.62 and 19,539,124.79 is: 26,961,941.82
Step by Step Solution
- Step 1: Write the proportion equation
34,428,542.36 : 47,507,775.62 = 19,539,124.79 : x - Step 2: Convert to fraction form
34,428,542.36/47,507,775.62 = 19,539,124.79/x - Step 3: Cross multiply
34,428,542.36x = 47,507,775.62 × 19,539,124.79 - Step 4: Simplify right side
34,428,542.36x = 928,260,355,999,265.12 - Step 5: Solve for x
x = 928,260,355,999,265.12/34,428,542.36 - Step 6: Final answer
x = 26,961,941.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.